Thomas
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Everything posted by Thomas
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It depends if the converison is done at the camera (web cam) or if it's done nearer to the PC (converter box).
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I've used a wrist rocket to run cat 5. Two things are important. One is aim (having broken a drop ceiling tile) and the other is crimp after the cable is run (also learned the hard way). But that was a few years ago when we wired the high school.
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Yes, the USB has some serious bandwith issues. You can put about 120 fps at low resolution through it. At higher resolutions you're looking at 30 fps.
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You need something that converts the camera to something the PC can see. Some companies (mine included) sell devices to do just that.
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Nope, my wife used to wonder why I kept a spare gas can with gas in it. Now she understands. I can be accused of being lazy but I do belive in overkill for disaster planning. And if you're planning for disaster when you see it comming then you're a little too late.
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With four cameras per DVR your looking at 8k per frame. You will get 1 fps but 0.5 fps might be better. It's in theory possible but I wouldn't use MPEG or H.264. I would go for low resolution, low quaility MJPEG. If it's just for monitoring then all you need is: White Male, Black tee-shirt, blue ford.
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Alright, infrastructure time. Even if you don't go cheap, you're going to pay out the rear for bandwith. You'll need a T-3. Or you will need several T-1s. Assuming 200 DVRs. Assuming 256 kb/s (32 Kb per dvr converted to bits, 1 fps). You will have incomming data at 50 Mb/s. This assumes no TCP/IP overhead. You will need some serious routing gear for a T-3. The only real players in this market are Cisco and Juniper. Expect the price tage for thier gear to be high. Expect the support contract/person to be expensive. None of what I discribe is "low bandwith". You will need a fat pipe and all that goes with it. I don't mean to burst your bubble, but I get three or four people a week trying this. And you're going to have a pretty constant 50 Mb/s so when you work it out you're going to get screwed on bandwith costs.
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Nope, it ended up making landfall to the east of us. We left Houston on Wensday night, came back Saturday. No damage to the apartment. (Note to those who don't have to deal with hurricanes: The west side of an atlantic hurrican is considered the "clean" side. There is wind and rain but no where near as much as there is on the east side. The west side also tends to not get storm surges due to the water being sucked out to the east side.)
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How many cameras per building?
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Need to get from one building to another over fiber network
Thomas replied to jisaac's topic in IP/Megapixel Cameras and Software Solutions
Are you new to women? -
Bah, the only real editor is Vim
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Wireless Eye, in house built out or out of house built?
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Linksys is owned by Cisco and there is a little bit of overlap between them. But the pro networking guys feel the same way you feel about Cops-USA. They offer some gear for home folks but you wouldn't use them on one of your jobs. They may have a few good bits of gear that might be pro level but that doesn't make the line pro level.
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D-Link and Linksys aren't intended for large scale network use. They are consumer products for the consumer market.
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Cisco with QoS set up.
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Actully security fixes are released as 1.0.X releases.
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Clear your cache maybe?
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No issues here, FF 1.06 and 0.9
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Alright, first thing to do is go to Start->run->cmd-> and type in IPconfig. Let us know what IP address is. Is this router connected directly to the wall or through a modem?
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Whimper and curl up into a ball. Connexant generally embeds the router with the modem. If you can change the settings is up to the ISP. Who are they and what is the model number?
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It's an implementation issue. The sun doesn't always set at 5:22 every night.
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(after the DVR and the cameras) tips for an aspiring DIYer
Thomas replied to za's topic in General Digital Discussion
Focus the cameras before placement. Then if you need to focus after the fact a portable TV. Pros will use little LCD's but DIY's might not want to spend that. -
Which is pointless. Tracking the IP address of a spamer is just going to lead you back to an owned box somewhere. You can ban it but between dynamic IP's and owned boxes I promise you that you will not manage ban a single spammer. Two facts I'd like to point out: 1. E-mail addresses are not visable currently. Try sending a test mail to yourself. While I haven't digiested the headers the body doesn't give it and the site itself doesn't give it. 2. If the forum itself is spammed, we already have the IP address. If I go into moderator mode I can see every IP of every post. So again, I'd like an answer for why forcing registration is something we need.
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Keeping contact info private is fine. But in the course of debate I have yet to hear a justification for keeping the posts not in the dealer section private.
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Two have posted. I trust php polls about as far as I can throw a php programer.